Author:	Douglas Norton									
Date:	1/22/2007									
Contents:	"Data on infant mortality and births, 1920-1945"									

Notes:	Bold values are imputed from a five year trend when data for a state and year is unavailable									
		"Exceptions are for missing intermediate years, where values are interpolated from available data both before and after"								
		"Most such cases, data is available but currently missing"								
	"Used to construct some plausible regional measure, rather than totally excluding or inserting additional states in some regions and years"									

Number of births										
	Data up through 1934 supplied by Karen Norberg									
	"Data from 1935-1945 entered by hand from VS tables, double-checked vs national totals"									
		1935								
		1936	http://www.cdc.gov/nchs/data/vsushistorical/birthstat_1936.pdf							pages 32-35
		1937	http://www.nber.org/vital-stats-books/VSUS_1937_1.CV.pdf							32-35
		1938	http://www.nber.org/vital-stats-books/1938/1938_summary.pdf							16-19
		1939	http://www.nber.org/vital-stats-books/VSUS_1939_2.CV.pdf							14
		1940	http://www.nber.org/vital-stats-books/VSUS_1940_2.CV.pdf							69-88
		1941	"1941, Volume 2"							85-88
		1942	"1942, Volume 2"							66
		1943	"1943, Volume 2"							21
		1944	"1944, Volume 2"							2
		1945	"1945, Volume 2"							6

Infant Deaths										
	Data for 1920-1936 obtained from already entered state-level vital stats information									
		Available on NBER website: http://www.nber.org/data/vital-statistics-deaths-historical/								
		Selected only deaths under 1 year								
	"1937 onward obtained from individual vital stats publications, double-checked vs national totals"									
		1937	http://www.nber.org/vital-stats-books/VSUS_1937_1.CV.pdf							32-35
		1938	http://www.nber.org/vital-stats-books/1938/1938_summary.pdf							16-19
		1939	http://www.cdc.gov/nchs/data/vsus/VSUS_1939_1.pdf							30-33
		1940	http://www.cdc.gov/nchs/data/vsus/vsus_1940_1.pdf							39-47
		1941	"1941, volume 1"							36-42
		1942	"1942 Volume 2,"							520
		1943	1943 Volume 2							567
		1944	"VSUS 1944, volume 2"							"582, table 27"
		1945	"VSUS 1945, volume 2"							"456, table 22"